DE69218154D1 - Schaltungsanordnung zum Wiedergeben eines elektrischen Signals von einer Spur auf einem magnetischen Aufzeichnungsträger - Google Patents

Schaltungsanordnung zum Wiedergeben eines elektrischen Signals von einer Spur auf einem magnetischen Aufzeichnungsträger

Info

Publication number
DE69218154D1
DE69218154D1 DE69218154T DE69218154T DE69218154D1 DE 69218154 D1 DE69218154 D1 DE 69218154D1 DE 69218154 T DE69218154 T DE 69218154T DE 69218154 T DE69218154 T DE 69218154T DE 69218154 D1 DE69218154 D1 DE 69218154D1
Authority
DE
Germany
Prior art keywords
control signal
filter means
signal input
output
filter
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE69218154T
Other languages
English (en)
Other versions
DE69218154T2 (de
Inventor
Josephus Arnoldus Henr Kahlman
Albert Maria Arnold Rijckaert
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Philips Electronics NV
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Philips Electronics NV filed Critical Philips Electronics NV
Application granted granted Critical
Publication of DE69218154D1 publication Critical patent/DE69218154D1/de
Publication of DE69218154T2 publication Critical patent/DE69218154T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
    • G11B15/02—Control of operating function, e.g. switching from recording to reproducing
    • G11B15/05—Control of operating function, e.g. switching from recording to reproducing by sensing features present on or derived from record carrier or container
    • G11B15/087—Control of operating function, e.g. switching from recording to reproducing by sensing features present on or derived from record carrier or container by sensing recorded signals
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/10009—Improvement or modification of read or write signals
    • G11B20/10046—Improvement or modification of read or write signals filtering or equalising, e.g. setting the tap weights of an FIR filter
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/10009—Improvement or modification of read or write signals
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
    • G11B5/027—Analogue recording
    • G11B5/035—Equalising
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
    • H03J7/02—Automatic frequency control

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Networks Using Active Elements (AREA)
  • Digital Magnetic Recording (AREA)
  • Magnetic Heads (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)
  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
DE69218154T 1991-12-18 1992-12-10 Schaltungsanordnung zum Wiedergeben eines elektrischen Signals von einer Spur auf einem magnetischen Aufzeichnungsträger Expired - Fee Related DE69218154T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP91203350 1991-12-18

Publications (2)

Publication Number Publication Date
DE69218154D1 true DE69218154D1 (de) 1997-04-17
DE69218154T2 DE69218154T2 (de) 1997-08-21

Family

ID=8208085

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69218154T Expired - Fee Related DE69218154T2 (de) 1991-12-18 1992-12-10 Schaltungsanordnung zum Wiedergeben eines elektrischen Signals von einer Spur auf einem magnetischen Aufzeichnungsträger

Country Status (8)

Country Link
US (1) US6252734B1 (de)
EP (1) EP0549030B1 (de)
JP (1) JPH05242408A (de)
KR (1) KR100251439B1 (de)
AT (1) ATE150202T1 (de)
DE (1) DE69218154T2 (de)
ES (1) ES2101801T3 (de)
TW (1) TW222029B (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5943368A (en) * 1996-07-08 1999-08-24 U.S. Philips Corporation Transmission, recording and reproduction of a digital information signal
JP3459563B2 (ja) 1998-03-06 2003-10-20 パイオニア株式会社 波形等化器および記録情報再生装置
JP2000306336A (ja) * 1999-04-19 2000-11-02 Sony Corp 波形等化装置、波形等化装置の最適化方法、及びデータ再生装置
TW480832B (en) * 1999-12-20 2002-03-21 Koninkl Philips Electronics Nv An arrangement for receiving a digital signal from a transmission medium
GB2357646B (en) * 1999-12-23 2004-04-21 Ericsson Telefon Ab L M Equaliser circuits
RU2362217C2 (ru) 2002-08-22 2009-07-20 Эл Джи Электроникс Инк. Оптический диск с высокой плотностью записи и способ записи/считывания для него
KR100932506B1 (ko) * 2003-02-27 2009-12-17 엘지전자 주식회사 고밀도 광디스크의 재생 제어정보 관리 및 데이터 재생제어방법
US9548080B2 (en) 2015-06-18 2017-01-17 International Business Machines Corporation Time-varying filter for high-frequency reel disturbance rejection

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2469043B1 (fr) * 1979-10-31 1986-01-24 Enertec Filtres accordes par commutation et utilisation dans un egalisateur d'enregistrement magnetique
US4479152A (en) * 1982-04-22 1984-10-23 Sperry Corporation Adjustable equalizer
US4564869A (en) * 1983-11-21 1986-01-14 Eastman Kodak Company Zoned equalization for a magnetic disc
JPS6152096A (ja) * 1984-08-22 1986-03-14 Victor Co Of Japan Ltd 情報信号記録媒体再生装置
KR900001594B1 (ko) * 1985-04-30 1990-03-15 가부시끼가이샤 도오시바 플로피디스크장치의 독출회로
US4945311A (en) * 1988-08-29 1990-07-31 Seagate Technology, Inc. Electronically variable equalizer
US5274512A (en) 1989-03-13 1993-12-28 Sony Corporation Coefficient control system for digital equalizer using orthogonal oscillation
DE69030962T2 (de) 1989-03-13 1998-01-02 Sony Corp Automatischer Entzerrer

Also Published As

Publication number Publication date
ES2101801T3 (es) 1997-07-16
TW222029B (de) 1994-04-01
EP0549030A1 (de) 1993-06-30
KR930014434A (ko) 1993-07-23
DE69218154T2 (de) 1997-08-21
EP0549030B1 (de) 1997-03-12
ATE150202T1 (de) 1997-03-15
JPH05242408A (ja) 1993-09-21
US6252734B1 (en) 2001-06-26
KR100251439B1 (ko) 2000-04-15

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: KONINKLIJKE PHILIPS ELECTRONICS N.V., EINDHOVEN, N

8339 Ceased/non-payment of the annual fee